	//设置一个提示框，编辑提示框，texts为提示文本 ，time为显示时间秒单位
	function PromptBox(texts, Prompttime, status) {
		var b = document.body.querySelector(".box_Bullet");
		if(!b) {
			var box = document.createElement("div");
			document.body.appendChild(box).className = "box_Bullet";
			var boxcss = document.querySelector(".box_Bullet");
			var winWidth = window.innerWidth;
			document.body.appendChild(box).innerHTML = texts;
			var wblank = winWidth - boxcss.offsetWidth;
			box.style.cssText = "width:" + boxcss.offsetWidth + "px" + "; left:" + (wblank / 2) + "px" + ";" +
				"margin-top:" + (-boxcss.offsetHeight / 2) + "px";

			var int = setInterval(function() {
				Prompttime--;
				endclearInterval(Prompttime, box, int);
			}, 1000);

		} else if(status == true) {
			document.body.removeChild(b);
			return;
		}
	};
	function endclearInterval(Prompttime, box, int) {
		Prompttime > 0 ? Prompttime-- : clearInterval(int);
		if(Prompttime == 0) {
			clearInterval(int);
			document.body.removeChild(box);
			return;
		}
	};
